Uncertainty in Artificial Intelligence
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Evaluating Influence Diagrams using LIMIDs
Dennis Nilsson, Steffen Lauritzen
We present a new approach to the solution of decision problems formulated as influence diagrams. The approach converts the influence diagram into a simpler structure, the LImited Memory Influence Diagram (LIMID), where only the requisite information for the computation of optimal policies is depicted. Because the requisite information is explicitly represented in the diagram, the evaluation procedure can take advantage of it. In this paper we show how to convert an influence diagram to a LIMID and describe the procedure for finding an optimal strategy. Our approach can yield significant savings of memory and computational time when compared to traditional methods.
Pages: 436-445
PS Link:
PDF Link: /papers/00/p436-nilsson.pdf
AUTHOR = "Dennis Nilsson and Steffen Lauritzen",
TITLE = "Evaluating Influence Diagrams using LIMIDs",
BOOKTITLE = "Proceedings of the Sixteenth Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-00)",
PUBLISHER = "Morgan Kaufmann",
ADDRESS = "San Francisco, CA",
YEAR = "2000",
PAGES = "436--445"

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